Asked by Ioba Bolwary Marak
How much below the surface of the earth does the acceleration due to gravity become 1percent of its value at the earth surface? The earth is assume to be a sphere of radius 6.4×10^6m.
Answers
Answered by
Steve
Beneath the surface, gravity is basically a linear function of the radius. So, at 1/100 the radius, g is reduced by a factor of 1/100
See the discussion here:
http://physics.stackexchange.com/questions/99117/why-gravity-decreases-as-we-go-down-into-the-earth
See the discussion here:
http://physics.stackexchange.com/questions/99117/why-gravity-decreases-as-we-go-down-into-the-earth
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